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суббота, 17 ноября 2018 г.

Grand Canyon | #Geology #GeologyPage #Arizona #USA The Grand…


Grand Canyon | #Geology #GeologyPage #Arizona #USA


The Grand Canyon is a steep-sided canyon carved by the Colorado River in the state of Arizona in the United States.


The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters). Nearly two billion years of Earth’s geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted.


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